Hello, about a few weeks ago, i was playing rocksmith just fine and with all the custom songs i have downloaded from http://search.customsforge.com/ as usual and the next day, its like everything changed...i used to be able to click on the "Rocksmith 2014" icon on my desktop and it starts up just fine and all but it started saying "make sure steam is running" and so i have tried having steam open and it still says the same thing and i have done "run as administrator" when launching steam and it